rachis
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rachis
- /ˈɹeɪkɪs/ UK, US
Where it comes from
From New Latin rhachis/rachis, from Ancient Greek ῥάχις (rhákhis, “spine, ridge”).
noun rachises · rachides · rhachis
- The spinal column, or the vertebrae of the spine.
- An anatomical shaft or axis in a marine invertebrate. In some squid species, the pen rachis flares out into wings on either side, and the tip of the rachis grows into a thick cone.
- The central shaft of a feather.
- The axis of either a compound leaf, inflorescence, or fern frond.
Translations
Talk about this word "rachis." Wiktionary, via Micwyn, micwyn.com/word/rachis. Accessed 6 Nov. 2026. rachis. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/rachis "rachis." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/rachis.Cite this
@misc{rachis_2026,
title = {rachis},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/rachis},
urldate = {2026-11-06}
}
